Quote:Sounds to me like it could well be the so-called 'Ebony Star', the more so if obtained at a 'scope shop. The pebbled finish reduces stiction with teflon.
20" homebuilt truss dob 6" watson refractor
Quote:I picked a 30" x 66" sheet of black pebble finish Formica from telescope shop. On the back is stamped "00909 1242 HGP NSF35 123274 Made in USA EV FORMICA Line 5 100308 0550" (whew!). Is this the stuff from which DOB's are made? Thanks in advance. Tom Duncan
400mm f/4.46 self made Dobsonian on Tom Osypowski equatorial platform Skywatcher 130mm f/5 BlackLine (finder, widefield scope and solar continuum scope) Sumerian 250mm f/4.8 Alkaid (as travelscope without platform and on Tom O. platform above).
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